The secondary oxygen sensor, also known as the downstream oxygen sensor, plays a crucial role in your vehicle's emissions control system. It is typically located after the catalytic converter and measures the amount of oxygen in the exhaust gases. This data is then sent to the engine control module (ECM) to fine-tune the air-fuel mixture, ensuring efficient combustion and minimizing harmful emissions. Proper functioning of the oxygen sensor is vital for maintaining optimal engine performance, fuel economy, and compliance with environmental regulations. A faulty sensor can lead to increased fuel consumption, poor engine performance, illuminated check engine lights, and failed emissions tests. This specific sensor, part number 36542PR7J51, is manufactured by HONDA to meet the exact specifications of your vehicle. Replacing a worn or malfunctioning sensor with a genuine HONDA part guarantees compatibility and reliability, restoring your vehicle's emissions system to its original operating condition.
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